package SecondeStage.Networkprogramming;

import java.net.InetAddress;
import java.net.UnknownHostException;

public class API_ {
    public static void main(String[] args) throws UnknownHostException {
        // 1. 获取本机的InetAddress对象
        InetAddress localHost = InetAddress.getLocalHost();
        System.out.println(localHost);

        // 2.根据指定主机名，获取 InetAddress对象
        InetAddress host1 = InetAddress.getByName("LAPTOP-QLFVS159");
        System.out.println(host1);

        // 3. 根据域名返回 InetAddress对象，比如 www.baidu.com 对应
        InetAddress host2 = InetAddress.getByName("www.baidu.com");
        System.out.println(host2);

        // 4. 通过 InetAddress 对象，获取对应的地址
        String hostAddress = host2.getHostAddress();
        System.out.println("host2对应的IP地址:"+hostAddress);

        // 5.通过  InetAddress 对象，获取对应的主机名/域名
        String hostName = host2.getHostName();
        System.out.println("host2对应的主机名/域名="+hostName);
    }
}
